Belleville Washer/ Disc Spring. Fits 5/16'' and M8 bolts. Carbon Steel. Zinc plated. 12/pk. by Maryland Precision Spring at In The National Interest. MPN: 504-0010. Hurry! Limited time offer. Offer valid only while supplies last. We are proud to be an American manufacturer! All of our products are tooled and manufactured at our facility in Baltimore, MD. SP Series

Product Description

We are proud to be an American manufacturer! All of our products are tooled and manufactured at our facility in Baltimore, MD.

SP Series belleville washers are:

- used whenever there is a need to overcome the effects of thermal expansion and contraction and are normally manufactured from high carbon or alloy steel material

About Belleville Disc Springs: Belleville washers/ disc springs are discs with a slight cone shape that deforms to a shorter height when subjected to a load along their axis of symmetry. This elastic deformation characterizes the spring action.

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